================
@@ -1,55 +1,705 @@
// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm < %s| FileCheck %s
-// Test that we have the structure definition, the gep offsets, the name of the
-// global, the bit grab, and the icmp correct.
+// Test that __builtin_cpu_is emits the correct ABI value and field offset
+// for every vendor, cpu type, and cpu subtype (including aliases) listed in
+// llvm/include/llvm/TargetParser/X86TargetParser.def. These values are an ABI
+// contract shared with compiler-rt/libgcc.
extern void a(const char *);
// CHECK: @__cpu_model = external dso_local global { i32, i32, i32, [1 x i32] }
-void intel(void) {
+// Vendors (field offset 0).
+void test_intel(void) {
if (__builtin_cpu_is("intel"))
a("intel");
+ // CHECK-LABEL: define{{.*}} void @test_intel(
// CHECK: [[LOAD:%[^ ]+]] = load i32, ptr @__cpu_model
// CHECK: = icmp eq i32 [[LOAD]], 1
}
-void amd(void) {
+void test_amd(void) {
if (__builtin_cpu_is("amd"))
a("amd");
+ // CHECK-LABEL: define{{.*}} void @test_amd(
// CHECK: [[LOAD:%[^ ]+]] = load i32, ptr @__cpu_model
// CHECK: = icmp eq i32 [[LOAD]], 2
}
-void atom(void) {
- if (__builtin_cpu_is("atom"))
- a("atom");
+void test_other(void) {
+ if (__builtin_cpu_is("other"))
+ a("other");
+
+ // CHECK-LABEL: define{{.*}} void @test_other(
+ // CHECK: [[LOAD:%[^ ]+]] = load i32, ptr @__cpu_model
+ // CHECK: = icmp eq i32 [[LOAD]], 4
+}
+
+// CPU types (field offset 4).
+void test_bonnell(void) {
----------------
RKSimon wrote:
I don't suppose we can handle all these with less duplication using sed or
something - so we have a lot of RUN lines that inject the type / subtype into
single/fewer tests? Might need to split into a couple of test files
(vendor/cputype/subtype)? Sorry for the bikeshedding.....
https://github.com/llvm/llvm-project/pull/171172
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